linux-kernel - [PATCH v5] drm/tests: Add back seed value information

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [thread-next>] [day] [month] [year] [list]

Date:   Fri, 28 Oct 2022 19:17:54 -0300
From:   Arthur Grillo <arthurgrillo@...eup.net>
To:     David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>,
        Javier Martinez Canillas <javierm@...hat.com>,
        Maíra Canal <mairacanal@...eup.net>,
        Toke Høiland-Jørgensen <toke@...e.dk>,
        "Jason A. Donenfeld" <Jason@...c4.com>
Cc:     dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
        David Gow <davidgow@...gle.com>,
        Daniel Latypov <dlatypov@...gle.com>, andrealmeid@...eup.net,
        melissa.srw@...il.com, Arthur Grillo <arthurgrillo@...eup.net>,
        Michał Winiarski <michal.winiarski@...el.com>
Subject: [PATCH v5] drm/tests: Add back seed value information

As reported by Michał the drm_mm and drm_buddy unit tests lost the
printk with seed value after they were refactored into KUnit.

Add kunit_info with seed value information to assure reproducibility.

Reported-by: Michał Winiarski <michal.winiarski@...el.com>
Signed-off-by: Arthur Grillo <arthurgrillo@...eup.net>
---
v1->v2: https://lore.kernel.org/all/20221026211458.68432-1-arthurgrillo@riseup.net/
- Correct compilation issues
- Change tags order
- Remove useless line change
- Write commit message in imperative form
- Remove redundant message part
- Correct some grammars nits
- Correct checkpatch issues

v2->v3: https://lore.kernel.org/all/20221027142903.200169-1-arthurgrillo@riseup.net/
- Change .init to .suite_init
- Correct some grammars nits

v3->v4: https://lore.kernel.org/all/20221028141246.280079-1-arthurgrillo@riseup.net/
- Correct compilation issues

v4->v5: https://lore.kernel.org/all/20221028141715.290903-1-arthurgrillo@riseup.net/
- Change functions names from init_suite to suite_init
---
 drivers/gpu/drm/tests/drm_buddy_test.c | 6 ++++--
 drivers/gpu/drm/tests/drm_mm_test.c    | 8 ++++++--
 2 files changed, 10 insertions(+), 4 deletions(-)

diff --git a/drivers/gpu/drm/tests/drm_buddy_test.c b/drivers/gpu/drm/tests/drm_buddy_test.c
index 62f69589a72d..f8ee714df396 100644
--- a/drivers/gpu/drm/tests/drm_buddy_test.c
+++ b/drivers/gpu/drm/tests/drm_buddy_test.c
@@ -726,11 +726,13 @@ static void drm_test_buddy_alloc_limit(struct kunit *test)
 	drm_buddy_fini(&mm);
 }
 
-static int drm_buddy_init_test(struct kunit *test)
+static int drm_buddy_suite_init(struct kunit_suite *suite)
 {
 	while (!random_seed)
 		random_seed = get_random_u32();
 
+	kunit_info(suite, "Testing DRM buddy manager, with random_seed=0x%x\n", random_seed);
+
 	return 0;
 }
 
@@ -746,7 +748,7 @@ static struct kunit_case drm_buddy_tests[] = {
 
 static struct kunit_suite drm_buddy_test_suite = {
 	.name = "drm_buddy",
-	.init = drm_buddy_init_test,
+	.suite_init = drm_buddy_suite_init,
 	.test_cases = drm_buddy_tests,
 };
 
diff --git a/drivers/gpu/drm/tests/drm_mm_test.c b/drivers/gpu/drm/tests/drm_mm_test.c
index c4b66eeae203..89f12d3b4a21 100644
--- a/drivers/gpu/drm/tests/drm_mm_test.c
+++ b/drivers/gpu/drm/tests/drm_mm_test.c
@@ -2209,11 +2209,15 @@ static void drm_test_mm_color_evict_range(struct kunit *test)
 	vfree(nodes);
 }
 
-static int drm_mm_init_test(struct kunit *test)
+static int drm_mm_suite_init(struct kunit_suite *suite)
 {
 	while (!random_seed)
 		random_seed = get_random_u32();
 
+	kunit_info(suite,
+		   "Testing DRM range manager, with random_seed=0x%x max_iterations=%u max_prime=%u\n",
+		   random_seed, max_iterations, max_prime);
+
 	return 0;
 }
 
@@ -2246,7 +2250,7 @@ static struct kunit_case drm_mm_tests[] = {
 
 static struct kunit_suite drm_mm_test_suite = {
 	.name = "drm_mm",
-	.init = drm_mm_init_test,
+	.suite_init = drm_mm_suite_init,
 	.test_cases = drm_mm_tests,
 };
 
-- 
2.37.3